Patents by Inventor Anja Gerhard

Anja Gerhard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Organic electroluminescent element
    Patent number: 7981522
    Abstract: The invention relates to the improvement of phosphorescent organic electroluminescent devices, by the use of materials of formulas (1) to (4), as indicated in diagram 1, in the hole blocking layer.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: July 19, 2011
    Assignee: Merck Patent GmbH
    Inventors: Horst Vestweber, Anja Gerhard, Philipp Stöβel
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20110140043
    Abstract: The present invention relates to the compounds of the formula (1) and to organic electronic devices in which these compounds are used as matrix material in the emitting layer and/or as hole-transport material and/or as electron-blocking or exciton-blocking material and/or as electron-transport material.
    Type: Application
    Filed: June 19, 2009
    Publication date: June 16, 2011
    Applicant: MERCK PATENT GMBH
    Inventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pflumm, Anja Gerhard, Arne Buesing, Joachim Kaiser
  • ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20110121274
    Abstract: The present invention relates to organic electroluminescent devices which comprise fluorene derivatives and spirobifluorene derivatives as matrix material for phosphorescent emitters.
    Type: Application
    Filed: July 8, 2009
    Publication date: May 26, 2011
    Applicant: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Joachim Kaiser, Anja Gerhard, Jonas Valentin Kroeber
  • ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20110108818
    Abstract: The present invention relates to organic electroluminescent devices which comprise ketone or phosphine oxide derivatives as matrix material and at least two phosphorescent compounds.
    Type: Application
    Filed: November 18, 2009
    Publication date: May 12, 2011
    Applicant: Merck Patent GmbH
    Inventors: Joachim Kaiser, Arne Buesing, Anja Gerhard, Philipp Stoessel, Susanne Heun
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20110108822
    Abstract: The present invention relates to transition-metal complexes of the general formula I or II, in particular as emitter molecules in organic electronic devices, to a layer and to an electronic device which comprise the compounds according to the invention, and to a process for the preparation of the compounds according to the invention.
    Type: Application
    Filed: October 14, 2009
    Publication date: May 12, 2011
    Applicant: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Arne Buesing, Anja Gerhard, Joachim Kaiser, Rocco Fortte
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENCE DEVICES
    Publication number: 20110108823
    Abstract: The present invention relates to aromatic amines and to electronic devices in which these amines are used, in particular, as matrix material in the emitting layer and/or as hole-transport material and/or as electron-blocking or exciton-blocking material and/or as electron-transport material.
    Type: Application
    Filed: September 10, 2009
    Publication date: May 12, 2011
    Applicant: MERCK PATENT GMBH
    Inventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pflumm, Anja Gerhard
  • Materials for Organic Electroluminescence Devices
    Publication number: 20110105778
    Abstract: The present invention relates to compounds containing a moiety of the formula (1) and to the use thereof in organic electroluminescent devices and to organic electroluminescent devices which comprise compounds of this type.
    Type: Application
    Filed: October 14, 2009
    Publication date: May 5, 2011
    Applicant: Merck Patent GmbH
    Inventors: Philipp Stoessel, Holger Heil, Dominik Joosteen, Christof Pflumm, Anja Gerhard
  • Electronic Devices Comprising Metal Complexes Having Isonitrile Ligands
    Publication number: 20110101327
    Abstract: The present invention relates to electronic devices, in particular organic electroluminescent devices, comprising metal complexes which contain isonitrile ligands.
    Type: Application
    Filed: July 8, 2009
    Publication date: May 5, 2011
    Applicant: Merck Patent GmbH
    Inventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pflumm, Anja Gerhard
  • MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
    Publication number: 20110095281
    Abstract: The present invention relates to transition-metal complexes of the general formula I or II, in particular as emitter molecules in organic electronic devices, to a layer and an electronic device which comprise the compounds according to the invention, and to a process for the preparation of the compounds according to the invention.
    Type: Application
    Filed: October 15, 2009
    Publication date: April 28, 2011
    Applicant: MERCK PATENT GMBH
    Inventors: Amir Hossain Parham, Arne Buesing, Anja Gerhard, Joachim Kaiser, Rocco Fortte
  • FLUORINE DERIVATIVES FOR ORGANIC ELECTROLUMINESCENCE DEVICES
    Publication number: 20110037027
    Abstract: The present invention relates to fluorine derivatives and organic electronic devices in which said compounds are used as a matrix material in the emitting layer and/or as a hole transport material, and/or as an electron blocking or exciton blocking material, and/or as an electron transport material.
    Type: Application
    Filed: March 11, 2009
    Publication date: February 17, 2011
    Inventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pfumm, Anja Gerhard
  • Phosphorescent organic electroluminescent device having no hole transporting layer
    Patent number: 7880379
    Abstract: The invention relates to the improvement of phosphorescing organic electroluminescent devices characterized in that the emission layer, which consists of a matrix material which is doped with at least one phosphorescing emitter, directly adjoins an electrically conducting layer.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: February 1, 2011
    Assignee: Merck Patent GmbH
    Inventors: Anja Gerhard, Horst Vestweber, Philipp Stössel
  • Organic electroluminescent element
    Patent number: 7862904
    Abstract: The present invention relates to the improvement of phosphorescent organic electroluminescent devices by using materials of the formula in the hole blocking layer.
    Type: Grant
    Filed: July 20, 2004
    Date of Patent: January 4, 2011
    Assignee: Merck Patent GmbH
    Inventors: Horst Vestweber, Anja Gerhard, Philipp Stöβel
  • METAL COMPLEXES
    Publication number: 20100331506
    Abstract: The present invention describes new types of metal complexes. Such compounds can be used as functional materials in a series of different types of applications which can be classified within the electronics industry in the widest sense. The inventive compounds are described by the formulae (1) and (4).
    Type: Application
    Filed: September 1, 2010
    Publication date: December 30, 2010
    Applicant: Merck Patent GmbH
    Inventors: Rocco Fortte, Philipp Stössel, Anja Gerhard, Horst Vestweber
  • Organic electronic devices
    Patent number: 7838126
    Abstract: The present invention relates to the improvement of organic electronic devices, in particular fluorescent electroluminescent devices, by using electron-transport materials of the formula (I).
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: November 23, 2010
    Assignee: Merck Patent GmbH
    Inventors: Anja Gerhard, Horst Vestweber, Philipp Stössel
  • Metal complexes
    Patent number: 7820822
    Abstract: The present invention describes new types of metal complexes. Such compounds can be used as functional materials in a series of different types of applications which can be classified within the electronics industry in the widest sense. The inventive compounds are described by the formulae (1) and (4).
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: October 26, 2010
    Assignee: Merck Patent GmbH
    Inventors: Rocco Fortte, Philipp Stössel, Anja Gerhard, Horst Vestweber
  • ORGANIC ELECTROLUMINESCENT DEVICES COMPRISING AZOMETHINE-METAL COMPLEXES
    Publication number: 20100244009
    Abstract: The present invention relates to phosphorescent organic electroluminescent devices which contain as a matrix material of emitting layer, metal complexes of the formula (I)
    Type: Application
    Filed: October 14, 2008
    Publication date: September 30, 2010
    Applicant: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Jonas Kroeber, Anja Gerhard, Rocco Fortte
  • Organic electronic devices
    Patent number: 7776455
    Abstract: The present invention relates to the improvement of organic electronic devices, in particular fluorescent electroluminescent devices, by using electron-transport materials of the formula (1) to (4) as shown in scheme 1
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: August 17, 2010
    Assignee: Merck Patent GmbH
    Inventors: Anja Gerhard, Horst Vestweber, Philipp Stössel
  • WHITE-EMITTING COPOLYMERS, REPRESENTATION, AND USE THEREOF
    Publication number: 20100197875
    Abstract: The present invention relates to white-emitting copolymers which are obtained by a combination of blue-, green- and red-emitting repeating units. The copolymers of the invention display better film formation and an improved efficiency when used in polymeric organic light-emitting diodes compared to materials according to the prior art.
    Type: Application
    Filed: March 22, 2010
    Publication date: August 5, 2010
    Applicant: Merck Patent GmbH
    Inventors: Aurelie Falcou, Arne Büsing, Susanne Heun, Jürgen Steiger, Anja Gerhard, Niels Schulte, Heinrich Becker
  • MATERIALS FOR ELECTROLUMINESCENCE AND THE UTILIZATION THEREOF
    Publication number: 20100102305
    Abstract: The present invention relates to organic semiconductors which contain structural units L=X and in addition structural units which emit light from the triplet state. The materials according to the invention are more soluble and easier to synthesise and are therefore more suitable for use in organic light-emitting diodes than comparative materials in accordance with the prior art.
    Type: Application
    Filed: December 16, 2009
    Publication date: April 29, 2010
    Applicant: Merck Patent GmbH
    Inventors: Susanne Heun, René Scheurich, Arne Büsing, Aurélie Ludemann, Anja Gerhard, Philipp Stössel, Horst Vestweber
  • Organic electroluminescent element comprising a carbonyl matrix material
    Patent number: 7701131
    Abstract: The invention relates to organic electroluminescent devices, comprising at least two mutually-defining emission layers, whereby said layers emit different wavelengths of light. Said electroluminescent device is characterized in that at least one of the emitter layers contains at least one phosphorescent layer.
    Type: Grant
    Filed: July 20, 2004
    Date of Patent: April 20, 2010
    Assignee: Merck Patent GmbH
    Inventors: Anja Gerhard, Philipp Stössel, Horst Vestweber